EP0320249B1 - Abgedichtete Steckeranordnung - Google Patents

Abgedichtete Steckeranordnung Download PDF

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Publication number
EP0320249B1
EP0320249B1 EP88311608A EP88311608A EP0320249B1 EP 0320249 B1 EP0320249 B1 EP 0320249B1 EP 88311608 A EP88311608 A EP 88311608A EP 88311608 A EP88311608 A EP 88311608A EP 0320249 B1 EP0320249 B1 EP 0320249B1
Authority
EP
European Patent Office
Prior art keywords
housing
terminal
connector
seal
connector cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88311608A
Other languages
English (en)
French (fr)
Other versions
EP0320249A1 (de
Inventor
Stephen Anthony Colleran
Robert John Gugelmeyer
Bill Blake Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molex LLC
Original Assignee
Molex LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Molex LLC filed Critical Molex LLC
Publication of EP0320249A1 publication Critical patent/EP0320249A1/de
Application granted granted Critical
Publication of EP0320249B1 publication Critical patent/EP0320249B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • H01R13/4226—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers comprising two or more integral flexible retaining fingers acting on a single contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/424—Securing in base or case composed of a plurality of insulating parts having at least one resilient insulating part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections

Definitions

  • the present invention relates to sealed connectors and more particularly to a sealed connector and sealed connector subassembly including a housing for receiving at least one terminal terminating a conductor, a conductor entry seal and a connector cover.
  • Disadvantages of known sealed connectors include complexity and the resulting difficulty and time required for assembly.
  • a unitary subassembly for receiving terminals each with a terminated conductor.
  • Such a unitary sealed connector subassembly should be adapted for automated assembly.
  • Many prior art sealed connectors are provided as multiple parts for assembly by the user. Hence, possible misassembly and/or contamination with foreign material or dirt prior to assembly is a problem. This problem could be solved by a unitary subassembly.
  • An object of the present invention is to provide an improved sealed connector.
  • the present invention provides a sealed connector including one or more terminals 14 each terminating an associated conductor 24, said sealed connector being characterised by a housing 12 having for each terminal a terminal receiving channel 26 extending from a terminal entry wall 28 toward an opposed mating wall 30; said housing having resilient arm means 34 extending within said terminal receiving channel for retaining the terminal within the terminal receiving channel; said housing including sleeve means 40 extending axially outwardly from said terminal entry wall for defining a seal receiving cavity 41; a connector cover 18 having an aperture 80 or apertures one for receiving each terminal; a seal 16 having an aperture 62 or apertures one for receiving each terminal disposed within said housing seal receiving cavity 41 between said housing terminal entry wall 28 and said connector cover 18; said connector cover 18 including terminal position assurance means 70 co-operating with said housing terminal retaining means 34 for securing the terminal or terminals within the terminal receiving channel or channels; and said housing and said connector cover including co-operating locking means 48, 74 for securing said connector cover to said housing.
  • the connector 10 includes a housing 12 for receiving and releasably securing a plurality of terminals 14 (only one being shown for clarity), a conductor entry seal 16, a terminal position assurance and locking cover 18 and a mating connector seal 20.
  • a sealed connector subassembly generally designated as 22 of the sealed connector 10 includes the housing 12, the conductor entry seal 16, the terminal position assurance and locking cover 18 and the rear connector seal 20 assembled together. Initially the cover 18 and housing 12 are preassembled or partly assembled together as seen in FIGS. 2, 4 and 6. An associated conductor 24 (FIGS. 4 and 5) is terminated by each of the terminals 14 prior to insertion into the sealed connector subassembly 22. After the terminals 14 with the terminated conductors 24 are inserted, the terminal position assurance and locking cover 18 is moved into a locking position with the housing 12 as shown in FIGS. 5 and 10.
  • the sealed connector housing 12 is an integral, one-piece member formed of a strong, flexible electrically insulating material.
  • a translucent plastic or similar material forms the housing 12 by conventional injection molding technique.
  • Housing 12 includes a plurality of spaced-apart channels 26 extending from a terminal entry wall 28 to an opposed mating wall 30.
  • Each of the channels 26 has a size and shape for receiving and orienting the terminal 14.
  • channels 26 have a generally rectangular shape to orient the terminal 14 so that either one of a pair of opposed locking windows 32 formed in each terminal 14 is positioned within the channel 26 facing radially inward.
  • housing 12 is formed with a resilient retaining arm 34 outwardly extending within each of the terminal-receiving channels 26.
  • Each retaining arm 34 has a free end locking finger 36 to be received within the terminal locking window 32 for locking the terminal 14 in place in a channel 26 of the housing 12.
  • housing 12 includes a centrally located, generally D-shaped elongated recess 38 extending inwardly from the terminal entry wall 28 into an opposed housing cavity 39 (FIGS. 4-6) for keying and terminal position assurance features of the connector cover 18.
  • the terminal receiving channels 26 are arrayed at approximately 120 degree intervals around and are spaced from the central longitudinal axis of housing 12 and recess 38 with the retaining arms 36 positioned for movement within the housing cavity 39.
  • a sleeve 40 of the housing 12 extends axially outwardly from the terminal entry wall 28 defining a cavity 41 for receiving the conductor entry seal 16 and the connector cover 18.
  • Sleeve 40 includes a plurality of spaced apart tab portions 42 and 44 having an aperture 46 and 48, respectively, cooperating with the connector cover 18 for securing the housing 12 with the connector cover 18 in the subassembly 22 and the sealed connector 10. As seen in FIG. 1, there are two diametrically opposed tabs 42 alternating with two diametrically opposed tabs 44. Apertures 48 are shorter in axial length than apertures 46.
  • housing 12 For accurate keying alignment with a mating connector (not shown) housing 12 includes a pair of rails 50, a latch protuberance 52 and a flat wall portion 54 (FIG. 3). Rails 50, latch protuberance 52 and flat wall portion 54 are adapted to be received in corresponding portions of the mating connector. Terminal pins or blades of the mating connector are oriented for receipt within the terminals 14. Housing 12 includes a groove 56 for receiving and retaining the mating connector seal 20.
  • the mating connector seal 20 and the conductor entry seal 16 are formed of an elastomeric material and impregnated with silicon oil or similar materials.
  • a plurality of outwardly extending ribs 58 and 60 are defined by the outside surface of the mating connector seal 20 and the conductor entry seal 16, respectively.
  • a cleaning wiping action of any contamination or foreign materials carried by the mating connector is provided by the first inserted rib 58. Effective compression sealing is provided by the subsequent ribs 58.
  • the conductor entry seal 16 has an overall size for press-fit insertion within the housing cavity 41.
  • Conductor entry seal 16 includes a plurality of generally circular passageways 62 sized for interference fit engagement with the conductors 24 and a centrally located, generally D-shaped opening 64 for keying alignment with the connector cover 18.
  • a plurality of outwardly extending ribs 66 are defined by an inside surface of each of the passageways 62.
  • a first rib 66 provides a cleaning wiping action of any contamination carried by the inserted conductor 24 with the remaining ribs providing effective compression sealing with the inserted conductor.
  • the terminal position assurance and locking cover 18 includes an axially extending elongated keying member 70, a pair of outwardly extending latching protuberances 72 received within housing apertures 46 for retaining the cover 18 in the preassembled or partly assembled condition within recess 41 of the housing 12 in the subassembly 22 (FIG. 2) and a pair of outwardly extending locking protuberances 74 received within housing apertures 48 for securing the cover 18 to the housing 12 in the final assembled condition of the sealed connector 10.
  • Keying member 70 has a generally D-shape for keying alignment within D-shaped opening 64 within the conductor entry seal 16 and within the centrally located D-shaped elongated recess 38 of the housing 12. Keying member 70 includes a tapered nose portion 76 that facilitates the sliding insertion within the seal opening 64 and the housing recess 38. Keying member 70 includes a tapered base portion 78 for enhanced compression sealing with the conductor entry seal 16 as illustrated in FIG. 10.
  • a plurality of spaced apart, generally circular shaped apertures 80 extend through a body portion 82 of the terminal position assurance and locking cover 18 for receiving and orienting the terminals 14.
  • a plurality of radially extending ledges 84 define mating recesses 86 for receiving the housing tabs 42 and 44.
  • the keying member 70 of the terminal position assurance and locking cover 18 extends through the seal opening 64 and into the housing recess 38 to align the terminal receiving apertures 80 and 62 with respective housing channels 26.
  • the terminal position assurance and locking cover 18 is secured to the housing 12 in the preassembled condition by the latching protuberances 72 received within the housing apertures 46. In this condition, protuberances 74 are not in engagement with tabs 44.
  • Fig. 6 illustrates the sealed connector subassembly 22 prior to the insertion of the terminals 14 with the terminated conductors 24 into the housing 12.
  • the retaining arms 34 are molded to resiliently bias the locking fingers 36 of the resilient retaining arms 34 to extend within the housing recesses 26 as shown in Fig. 6.
  • the locking fingers 36 of the retaining arms 34 are deflected radially inwardly as shown in Fig. 4 within the rear housing cavity 39 and in broken line in Fig. 7.
  • the associated locking finger 36 moves within the terminal locking window 32 providing tactile and audible user feedback indication.
  • terminal position assurance and locking cover 18 is moved into locking position as shown in Fig. 5.
  • Keying member 70 engages each of the retaining arms 34 to retain the locking fingers 36 in a positively locking position in the terminal locking windows 32. If the terminals 14 are not fully inserted and/or properly positioned within the housing recesses 26, movement of the terminal position assurance and locking cover 18 into locking position is prevented.
  • protuberances 72 move axially along apertures 46.
  • Protuberances 74 engage tabs 44, deflect the tabs and then enter apertures 48 to lock cover 18 into place in housing 12 in the final position.
  • Seal 16 is compressed in the axial direction between body 82 of cover 18 and wall 28 of housing 12 and is compressed radially by portion 78 of keying member 70. A reliable seal is made to each conductor 24, to the housing 12 and to the cover 18.
  • removal of a terminal 14 is enabled by pulling the locking cover 18 outwardly to move the keying member 70 to the subassembly latching position.
  • a tool (not shown) is inserted in the direction indicated by arrow labelled 90. Force is applied against the free end of the retaining arm 34 to release the locking finger 36 from the locking window 32 as indicated by an arrow labelled 92. Then the terminal 14 can be removed for repair or replacement.
  • the connector 10 is simple and inexpensive to make and to assemble.
  • the connector 10 is of a small size.
  • the connector 10 includes terminals locking and and terminal position assurance features.
  • the connector 10 has terminals 14 which can be released and replaced.
  • the subassembly 22 has terminals 14 with terminated conductors which can be easily inserted without the necessity for special care or skilled labour.
  • the subassembly 22 has a connector cover, a conductor entry seal and a housing mechanically secured and precisely aligned in a simple and automatic manner.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (8)

  1. Abgedichteter Verbinder mit einem oder mehreren Anschlüssen (14), die jeweils einen zugehörigen Leiter (24) abschließen, wobei der abgedichtete Verbinder versehen ist mit
       einem Gehäuse (12) mit einem sich von einer Anschlußeingangswand 28 zu einer gegenüberliegenden Verbindungswand (30) erstreckenden Anschlußaufnahmekanal (26) für jeden Anschluß,
       wobei das Gehäuse eine Federarmeinrichtung (34) besitzt, die sich im Anschlußaufnahmekanal zum Halten des Anschlusses im Anschlußaufnahmekanal erstreckt,
       das Gehäuse ein Hülsenmittel (40) aufweist, das sich axial nach außen von der Anschlußeingangswand zur Bildung eines Dichtungsaufnahmeraums (41) erstreckt,
       einem Verbindungsdeckel (18) mit einer Öffnung (80) oder Öffnungen jeweils zur Aufnahme eines Anschlusses,
       einer Dichtung (16) mit einer Öffnung (62) oder Öffnungen jeweils zur Aufnahme eines Anschlusses, angeordnet im Gehäusedichtungsaufnahmeraum (41) zwischen der Gehäuseanschlußeingangswand (28) und dem Verbinderdeckel (18),
       wobei der Verbinderdeckel (18) eine Anschlußpositionssicherungseinrichtung (70) aufweist, die mit der Gehäuseanschlußhalteeinrichtung (34) zum Festlegen des Anschlusses oder der Anschlüsse in dem Anschlußaufnahmekanal oder den -kanälen zusammenwirkt, und
       das Gehäuse und der Verbinderdeckel zusammenwirkende Verriegelungsmittel (48,74) zum Festlegen des Verbinderdeckels am Gehäuse aufweisen.
  2. Abgedichteter Verbinder nach Anspruch 1, bei dem die Verbinderdeckel-Anschlußpositionssicherungseinrichtung (70) ein langgestrecktes Glied umfaßt und das Gehäuse und die Dichtung entsprechende Kanäle (38 und 64) zur Aufnahme des langgestreckten Glieds aufweisen.
  3. Abgedichteter Verbinder nach Anspruch 2, bei dem das langgestreckte Glied (70) und die entsprechenden Kanäle (38 und 64) des Gehäuses und der Dichtung zur Aufnahme des langgestreckten Glieds eine Form für ein Verkeilen besitzen, wodurch die Anschlußaufnahmekanäle (26) des Gehäuses und die Öffnungen der Dichtung und des Verbinderdeckels genau ausgerichtet sind.
  4. Abgedichteter Verbinder nach einem beliebigen vorhergehenden Anspruch, bei dem das Gehäuse für ein lösbares Halten des Anschlusses eingerichtet ist, wodurch der Anschluß entnommen werden kann.
  5. Abgedichteter Verbinder nach Anspruch 1, bei dem der Verbinderdeckel (18), die Dichtung (16) und das Gehäuse (12) zusammenwirkende Verkeilungsmittel (70,38,64) zum Verkeilen des Gehäuses und der Dichtung und des Verbinderdeckels aufweisen.
  6. Abgedichteter Verbinder nach Anspruch 5, bei dem das Verbinderdeckelverkeilungsmittel zum Verkeilen des Gehäuses, der Dichtung und des Verbinderdeckels ein langgestrecktes D-förmiges Glied (70) ist und die zusammenwirkenden Verkeilungsmittel von Dichtung und Gehäuse entsprechende D-förmige Kanäle (38 und 64) zur Aufnahme des D-förmigen Glieds des Verbinderdeckels aufweisen.
  7. Abgedichteter Verbinder nach Anspruch 6, bei dem die Federarmeinrichtung (34) des Gehäuses eine Anordnung für einen Eingriff mit dem langgestreckten D-förmigen Glied (70) des Verbinderdeckels zum Halten eines Verriegelungsfingers jeder Armeinrichtung in einem Anschlußverriegelungsfenster besitzt.
  8. Abgedichteter Verbinder nach einem beliebigen vorhergehenden Anspruch, bei dem das Gehäuse und der Verbinderdeckel zusammenwirkende Verriegelungsmittel (46,74) zum Festlegen des Verbinderdeckels am Gehäuse in einer Untereinheitsposition aufweisen.
EP88311608A 1987-12-08 1988-12-08 Abgedichtete Steckeranordnung Expired - Lifetime EP0320249B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/130,144 US4776813A (en) 1987-12-08 1987-12-08 Sealed connector assembly
US130144 1998-08-06

Publications (2)

Publication Number Publication Date
EP0320249A1 EP0320249A1 (de) 1989-06-14
EP0320249B1 true EP0320249B1 (de) 1993-08-04

Family

ID=22443272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88311608A Expired - Lifetime EP0320249B1 (de) 1987-12-08 1988-12-08 Abgedichtete Steckeranordnung

Country Status (8)

Country Link
US (1) US4776813A (de)
EP (1) EP0320249B1 (de)
JP (1) JPH07118346B2 (de)
KR (1) KR970000124B1 (de)
BR (1) BR8806372A (de)
CA (1) CA1295026C (de)
DE (1) DE3882935T2 (de)
ES (1) ES2042771T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12265266B2 (en) 2021-09-29 2025-04-01 Corning Research & Development Corporation Fiber optic connectors having a sealing membrane disposed on the connector housing

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Also Published As

Publication number Publication date
KR970000124B1 (ko) 1997-01-04
DE3882935D1 (de) 1993-09-09
KR890011147A (ko) 1989-08-12
JPH01187783A (ja) 1989-07-27
US4776813A (en) 1988-10-11
EP0320249A1 (de) 1989-06-14
CA1295026C (en) 1992-01-28
BR8806372A (pt) 1989-08-22
JPH07118346B2 (ja) 1995-12-18
ES2042771T3 (es) 1993-12-16
DE3882935T2 (de) 1994-01-13

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